Ventilation butterfly Valve

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Ventilation Butterfly

Brand:Butterfly
Type:
Material:
Connection:
Pressure:
Temperature:
medium
Uses:
DownLoad
Introduction>>Parameters>>Works>>
  • Benefits and Standard
  • Technical parameters
  • Main parts of the material
  • material selection and application temperature

Uses and Features:

Ventilation butterfly using the same material into the valve body seals, the applicable temperature varies depending on the selection valve, nominal pressure ≤ 0.6MPa, generally applicable to industry, metallurgy, environmental protection, regulating media flow conduit for ventilation purposes, its main features is:

  • 1、 Novel design, reasonable, unique structure, light weight, open and close quickly.
  • 2、 Operating torque is small, easy to operate, smart victory.
  • 3、 Using materials adapted to meet different medium temperature and corrosive media.

Standard:

Design standards GB/T 12238-1989 JB/T 8692-1998
Flange connection dimensions GB/T 9115.1-2000
Face to face GB/T 9115.1-2000
Pressure test GB/T 13927-1992 JB/T 9092-1999

Technical parameters:

DN DN(mm) 50-2000
Nominal Pressure PN(Mpa) 0.05 0.25 0.6
Pressure test Strength Test 0.075 0.375 0.9
Seal test ≤1.5% Leakage
Suitable medium Seal test Gas, dust and gas, flue gas, etc.
Drive form Gas, dust and gas, flue gas, etc.

Main parts of the material:

Part name Materials
BODY Steel, stainless steel, chrome-nickel-molybdenum steel, titanium, chromium, molybdenum and titanium steel and other special materials
DISC Steel, stainless steel, chrome-nickel-molybdenum steel, titanium, chromium, molybdenum and titanium steel and other special materials
SEAT Same with the body
STEM Carbon steel, 2Cr13, stainless steel, chrome-nickel-molybdenum steel, titanium
PACKING Fluorine plastic, flexible graphite

Butterfly valve sealing material selection and application temperature:

Materials Carbon Steel Low carbon steel Alloy steel Austenitic stainless steel Chromium-molybdenum steel
Code WCB LCB WC6或WC9 C5或C12 Cr-18型、304、316 12CrMoV
Max Tem. 425℃ 345℃ 595℃ 650℃ 600℃ 560℃
Min Tem. -29℃ -46℃ -29℃ -29℃ -196℃ -40℃
Working temperature ≤425℃ ≤345℃ ≤595℃ ≤650℃ ≤600℃ ≤560℃


Related Products You May Interested:

Ventilation butterfly Valve

Hard sealing butterfly valve

Powder Butterfly Valve

Lug butterfly valve

Flanged butterfly valve

Wafer butterfly valve

  • Ventilation butterfly handle size
  • Worm ventilation valve size

DN Face to face(Standard values) Connection Size
0.05MPa and 0.25MPa 0.6MPa
mm L D D1 D2 Z-ød D D1 D2 Z-d
50 108 140 110 88 4-ø14 140 110 88 4-ø14
65 112 160 130 108 4-ø14 160 130 108 4-ø14
80 114 190 150 124 4-ø18 190 150 124 4-ø18
100 120 210 170 144 4-ø18 210 170 144 4-ø18
125 120 240 200 174 8-ø18 240 200 174 8-ø18
150 120 265 225 199 8-ø18 265 225 199 8-ø18
DN Face to face(Standard values) Connection Size
0.05MPa and 0.25MPa 0.6MPa
mm L D D1 D2 Z-ød D D1 D2 Z-d
100 120 210 170 144 4-ø18 210 170 144 4-ø18
125 120 240 200 174 8-ø18 240 200 174 8-ø18
150 120 265 225 199 8-ø18 265 225 199 8-ø18
200 140 320 280 254 8-ø18 320 280 254 8-ø18
250 140 375 335 309 12-ø18 375 335 309 12-ø18
300 170 440 395 363 12-ø22 440 395 363 12-ø22
350 170 490 445 413 12-ø22 490 445 413 12-ø22
400 190 540 495 463 16-ø22 540 495 463 16-ø22
450 190 595 550 518 16-ø22 595 550 518 16-ø22
500 190 645 600 568 20-ø22 645 600 568 20-ø22
600 210 755 705 667 20-ø26 755 705 667 20-ø26
700 210 860 810 772 24-ø26 860 810 772 24-ø26
800 210 975 920 878 24-ø30 975 920 878 24-ø30
900 25 1075 1020 978 24-ø30 1075 1020 978 24-ø30
1000 250 1175 1120 1078 28-ø30 1175 1120 1078 28-ø30
1200 250 1375 1320 1280 32-ø30 1405 1340 1295 32-ø33
1400 300 1575 1520 1480 36-ø30 1630 1560 1510 36-ø36
1600 300 1790 1730 1690 40-ø30 1830 1760 1710 40-ø36
1800 300 1990 1930 1890 44-ø30 2045 1970 1918 44-ø39
2000 300 2190 2130 2090 48-ø30 2265 2180 2125 48-ø42

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